Panasonic KX-TG4031CB Service Manual page 11

SPN
SPP
X501
13.824M
R509 NC
C120
1000p
(1)
(2)
(3)
(4)
DCIN3/LIN1
DCIN0/LIN0
DOUBOUT
DOUBCAPP1
DOUBCAPP
*IC501
DOUBCAPN
GND
DOUBCAPN1
COREOUT
(5)
(6)
+3.0V
R602
NC
E
R603
B
NC
Q601
C
*IC601
NC
16M FLASH
1 8
*CE VDD
2 7
SO *HOLD
3 6
*WP SCK
4 5
VSS SI
*C601 0.1u
+3.0V
Rx
R160
910
Q161
C
B
E
C165 NC
C163 NC
C173 R164 R161
R172
100k
2.7k
K0.22u 100k
C175 1000p
C
Q171
B
E
C174 NC
R181 C184
0
K1.0u
R121 390k C121
R122 390k C122
VDDC
+3.0V
+3.0V
3.0V
VCCA
VBG
VREF C505
10u
22
MIN
C506
21
VCCA
20 R136
1u
VREF
NC
19
18 2 3
DCIN2
17
DCIN1
16 1 4
RA151
15
1k
14
13
C504 1u
12
C521 1u
11
L501
10
VBAT
100n
C502 C501
9
10u 0.1u
8
VDDC2
C524 NC PDN_DET
7
GPIO[26]
6
GPIO[25]
5
GPIO[24]
KEYS_E
4
GPIO[23]
KEYS_D
3
GPIO[22]
KEYS_C
2
GPIO[21]
RA504
1
4 1
GPIO[20]
VDDC 68
3 2
VDDC
+3.0V
1.2V
+3.0V
C611 0.1u 3.3k
R605
R606 3.3k
IC611
64K EEPROM
1 8
A0 VCC
2 7
A1 WP
3 6
A2 SCL
4 5
GND SDA
KX-TG4031/4032/4033/4034C SCHEMATIC DIAGRAM (Base Unit_Main)
KX-TG4031CB/KX-TG4032CB/KX-TG4033CB/KX-TG4034CB/KX-TGA401CB
Q141
Tx Q143
NC
R141
100k
Q142
R151
C
B
100k
E
Caller ID
680p
680p
HOOK
Bell
+3.0V
BELL
Q111
C
B
E
VBAT
VBAT
3.0V
IC302
2
VOUT1
3
INPUT
4
VOUT2
ADJ
HOOK
1
BELL
UTX
URX
+3.0V VBAT +6.5V
*IC331
2.7V
PDN_DET
1 2
VOUT VIN
R335
3
0 NC
VSS
4
GND
11
REFERENCE
1XX : TEL LINE
3XX : POWER, CHARGE
4XX : MIC, SP
5XX : BBIC
6XX : FLASH, EEPROM, KEY, LCD
7XX : FOR DK
8XX : RF
C101 680p
D101
L101
3 2
33u
4 1
C102 680p
L102
33u
P101 22
C115
NC
GAP
R115
NC
+6.5V
+6.5V
F301
3.0A
*L361
220nH
*L371
220nH
L362
NC
DCDC_OUT
L372
NC
JJ301 NC
DC/DC CONVERTOR
NC
Q301
L301
NC
IC301
NC
1 5
ON/*OFF
VIN
2
VSS
3 4
VOUT
EXT
DCDC_IC
ZA1 NC
10 9 8 7
11
6
12
1 2 3 4 5
GND
NC: No Components
L1T
(YELLOW)
L1R
(GREEN)
DCP
DCM
CHARGE+
CHARGE-
CHG+2
CHG-2
+6.5V